147939471939 has 8 divisors (see below), whose sum is σ = 225431576320. Its totient is φ = 84536841096.

The previous prime is 147939471937. The next prime is 147939471941. The reversal of 147939471939 is 939174939741.

It is an interprime number because it is at equal distance from previous prime (147939471937) and next prime (147939471941).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 147939471939 - 2¹ = 147939471937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147939471939.

It is not an unprimeable number, because it can be changed into a prime (147939471937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3522368359 + ... + 3522368400.

It is an arithmetic number, because the mean of its divisors is an integer number (28178947040).

Almost surely, 2^147939471939 is an apocalyptic number.

147939471939 is a deficient number, since it is larger than the sum of its proper divisors (77492104381).

147939471939 is an equidigital number, since it uses as much as digits as its factorization.

147939471939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044736769.

The product of its digits is 46294416, while the sum is 66.

The spelling of 147939471939 in words is "one hundred forty-seven billion, nine hundred thirty-nine million, four hundred seventy-one thousand, nine hundred thirty-nine".